CN104690342A - Solid carbide self-centering inner-cooling deep-hole twist drill for ABS valve body - Google Patents
Solid carbide self-centering inner-cooling deep-hole twist drill for ABS valve body Download PDFInfo
- Publication number
- CN104690342A CN104690342A CN201510060738.1A CN201510060738A CN104690342A CN 104690342 A CN104690342 A CN 104690342A CN 201510060738 A CN201510060738 A CN 201510060738A CN 104690342 A CN104690342 A CN 104690342A
- Authority
- CN
- China
- Prior art keywords
- valve body
- centering
- cutter hub
- self
- cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/06—Drills with lubricating or cooling equipment
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
The invention relates to a solid carbide self-centering inner-cooling deep-hole twist drill for an ABS valve body. A cutter body and a handle part are coaxial cylinders of which the same central axis serves as the center; a spiral chip groove is formed in the cutter body; a solid part except the chip groove is a cutter back; two spiral edge strips are arranged on the cutter back; an inner-cooling hole which spirally penetrates through the cutter body is formed in the front end surface at the head of the cutter body; the intersection line of the chip groove and the cutter back in the radial direction forms an end edge; the end edge is in a double-vertex-angle double-flank-face form; the center position at the 1/4-1/3 effective edge diameter of the cutter body is a central vertex angle, and the rest are cutting vertex angles; a spiral face of the chip groove, formed by using a cutting edge as a generatrix, is a rake face; the ratio of the axial groove length of the chip groove to the radial effective edge diameter of the cutter body is 10-20; a circular arc of the chip groove is formed by smoothly connecting two circular arcs with different curvature radiuses. The efficient machining and the once feed competition are achieved, and peck drilling is eliminated; the solid carbide self-centering inner-cooling deep-hole twist drill has self-centering capacity, and the requirement on the roughness of an oil way hole of the ABS valve body is met.
Description
Technical field
Cold depth twist drill in a kind of anti-locking system for car (being called for short ABS) the valve body whole hard alloy self-centering that the present invention relates to, can be used for processing abs valve body oil circuit hole, belongs to high-speed and high-efficiency cutting tool technical field.
Background technology
Deep hole machining is generally the hole machined that the draw ratio of finger-hole is greater than 10 times.Deep hole machining occupies very important status in machining, but due to Problems existing, therefore often becomes " bottleneck " operation in metalworking procedures.Tradition deep hole machining mainly adopts drill gun to realize, and its efficiency is very low.It is even more that whole hard alloy depth drill efficiency can reach 10 times of drill gun.But because deep-hole boring process belongs to semi-closed state, easily occur that chip removal is difficult, weak heat-dissipating, cutter poor rigidity, load greatly, the very easily various problem such as breaking.
In order to prevent mechanical processing process from occurring, hole deviation hole is inclined simultaneously, and current carbide alloy depth drill processing technology needs first to adopt drill guide preprocessing before depth drill processing, and drill guide diameter need be larger than depth drill diameter, lapping defect in easy causing hole.
Anti-locking system for car (being called for short ABS) valve body material mainly adopts AL6061 alloy, and belonging to distortion aluminium, is the one in aldray.Easily there is built-up edge in the fluted drill processing this type of material, and process chip removal difficulty or ease stifled bits breaking, and the feature in conventional abs valve body oil circuit hole is that aperture is little, hole depth can reach 15 times of apertures, and hole surface roughness requirements Ra0.8, not lapping defect in receiving orifice.
Summary of the invention
The object of the invention is the deficiency overcoming prior art existence, cold depth twist drill in the self-centering of a kind of abs valve body whole hard alloy is provided.
Object of the present invention is achieved through the following technical solutions:
Cold depth twist drill in the self-centering of abs valve body whole hard alloy, comprise cutter hub and shank, cutter hub and shank are the coaxial clyinders centered by same central axis, feature is: described cutter hub offers helical form chip area, entity part outside chip area is the knife back, the knife back is provided with two helical lands, the front end face of cutter head body is provided with spiral cold hole in cutter hub, described chip area and knife back intersection is in radial directions formed holds sword, end sword is the two rear knife face form in Double Tops angle, drift angle centered by the center accounting for the effective sword footpath 1/4 ~ 1/3 of cutter hub, remainder is for cutting drift angle, chip area take cutting edge as the helicoid that bus is formed is rake face, the axial flute length of described chip area is 10 ~ 20 with the ratio in the radial effectively sword footpath of cutter hub, the circular arc of chip area was made up of the circular arc of two different curvature radius round and smooth connecting.
Further, cold depth twist drill in above-mentioned abs valve body whole hard alloy self-centering, wherein, the Cooling Holes spiral of two identical pitch is through cutter hub.
Further, cold depth twist drill in above-mentioned abs valve body whole hard alloy self-centering, wherein, the angle of described center drift angle is 90 ° ~ 100 °.
Again further, cold depth twist drill in above-mentioned abs valve body whole hard alloy self-centering, wherein, the angle of described cutting drift angle is 120 ° ~ 130 °.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progress are mainly reflected in:
1. this fluted drill is applicable to deep hole machining, knife face form after end sword adopts Double Tops angle two, center drift angle is for guiding of feeling relieved, cut drift angle and play shear action, well can control width and the chip flow direction of aluminium bits, two rear knife face form makes to be point cantact and non-face contact when depth drill and absorption surface, and ability of thus feeling relieved more by force and good heat dissipation not easily forms built-up edge, cutter can not produce more axial force simultaneously, decreases load during tool sharpening;
2. grooved adopts the round and smooth structure connected of bicircular arcs, spiral fluted circular arc adopts little radius of curvature, ensure that the cutting edge sharpness of rake face, not easily built-up edge is there is when processing AL6061 alloy, and being beneficial to the curling and formation that " C type " consider to be worth doing, the circular arc of bottom land adopts large radius of curvature, makes the knife back have suitable width, take into account again appearance bits and the chip removal ability of groove while ensureing rigidity, prevent breaking;
3. highly-efficient processing is realized, linear velocity scope Vc:80 ~ 100m/min, feed range f:0.1 ~ 0.3mm/r; Processing mode is that a feed completes, without the need to pecking brill; There is self-centering ability, without the need to drill guide, meet the requirement of abs valve body oil circuit hole roughness, reduce cost simultaneously, improve efficiency.Efficiently solve because load is large, chip removal is bad, weak heat-dissipating, poor rigidity and the problem such as depth drill inefficacy caused.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
Fig. 1: organigram of the present invention;
Fig. 2: the close-up schematic view of cutter hub;
Fig. 3: the front end face schematic diagram of cutter head body;
The A-A cross-sectional schematic of Fig. 4: Fig. 1.
Detailed description of the invention
As shown in Figure 1, cold depth twist drill in the self-centering of abs valve body whole hard alloy, comprise cutter hub and shank 3, cutter hub and shank 3 are the coaxial clyinders centered by same central axis, cutter hub comprises cutting portion 1 and operate portions 2, and cutting portion 1 plays centering and cuts, and operate portions 2 plays guiding and chip removal, shank 3 is cylinder staight shank structure, for clamping.Cutter hub offers helical form chip area 9, article two, helicla flute is used for chip removal, entity part outside chip area 9 is the knife back 7, the knife back 7 outside cylinder is provided with two helical lands 8, is used for ensureing the size in hole and guiding, and the front end face of cutter head body is provided with spiral cold hole 4 in cutter hub, as Fig. 3, Cooling Holes 4 spiral of two identical pitch is through cutter hub, and interior cold hole 4 can make full use of cutting fluid cooling cutting edge and prevent Integrated Chip, utilizes the pressure of cutting fluid to be discharged smoothly by aluminium bits simultaneously.Chip area 9 and the knife back 7 intersection are in radial directions formed holds sword 5, as Fig. 2, knife face form after end sword 5 is two in Double Tops angle, drift angle 12 centered by the center accounting for the effective sword footpath 1/4 ~ 1/3 of cutter hub, remainder is for cutting drift angle 13, center drift angle 13 is for guiding function of feeling relieved, cut drift angle 13 shear actions, width and the chip flow direction of aluminium bits can well be controlled, the angle of center drift angle 12 is 90 ° ~ 100 °, the angle of cutting drift angle 13 is 120 ° ~ 130 °, two rear knife face form makes when depth drill and absorption surface to be point cantact and non-face contact, thus ability of feeling relieved is stronger and good heat dissipation not easily forms built-up edge, cutter can not produce more axial force simultaneously, decrease load during tool sharpening.Chip area take cutting edge as the helicoid that bus is formed is rake face 6, and the axial flute length 10 of chip area 9 is 10 ~ 20 with the ratio in the radial effectively sword footpath 11 of cutter hub, is applicable to deep hole machining.As Fig. 4, the circular arc of chip area was made up of the circular arc of two different curvature radius round and smooth connecting, circular arc 14 adopts little radius of curvature, which ensure that the cutting edge sharpness of rake face, not easily occurring built-up edge when processing AL6061 alloy, and be beneficial to the curling and formation that " C type " consider to be worth doing, gullet 15 adopts large radius of curvature, make the knife back have suitable width, taken into account again appearance bits and the chip removal ability of groove while ensureing rigidity, prevented breaking.
Above-mentioned fluted drill adopts cold spiral bar in whole hard alloy, and its material need meet following performance: hardness and intensity, must meet hardness >HRV1720, tensile strength 3200N/mm
2.Grain size directly determines the toughness of carbide alloy, and particularly important in deep hole machining, bar grain size should be not more than 0.5 μm.Depth drill is strict to cold hole lead of screw tolerance in bar and coherence request thereof, therefore requires that the interior cold hole helical pitch allowance control of bar is in ± 0.3.
Because depth drill belongs to efficient high-accuracy metal cutting tool, five axle CNC cutter and tool grinding machines manufacture, simultaneously because depth drill has elongated, there will be cutter relieving phenomenon in the fabrication process.Therefore fluting needs to use the lathe of the model band P axle float supports such as MX7, GX7 of such as peace card machine bed.
This fluted drill can realize highly-efficient processing, linear velocity scope Vc:80 ~ 100m/min, feed range f:0.1 ~ 0.3mm/r; Processing mode is that a feed completes, without the need to pecking brill; There is self-centering ability, without the need to drill guide, meet the requirement of abs valve body oil circuit hole roughness, reduce cost simultaneously, improve efficiency.Efficiently solve because load is large, chip removal is bad, weak heat-dissipating, poor rigidity and the problem such as depth drill inefficacy caused.
It is emphasized that: be only preferred embodiment of the present invention above, not any pro forma restriction is done to the present invention, every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
- Cold depth twist drill in the self-centering of 1.ABS valve body whole hard alloy, comprise cutter hub and shank, cutter hub and shank are the coaxial clyinders centered by same central axis, it is characterized in that: described cutter hub offers helical form chip area, entity part outside chip area is the knife back, the knife back is provided with two helical lands, the front end face of cutter head body is provided with spiral cold hole in cutter hub, described chip area and knife back intersection is in radial directions formed holds sword, end sword is the two rear knife face form in Double Tops angle, drift angle centered by the center accounting for the effective sword footpath 1/4 ~ 1/3 of cutter hub, remainder is for cutting drift angle, chip area take cutting edge as the helicoid that bus is formed is rake face, the axial flute length of described chip area is 10 ~ 20 with the ratio in the radial effectively sword footpath of cutter hub, the circular arc of chip area was made up of the circular arc of two different curvature radius round and smooth connecting.
- 2. cold depth twist drill in abs valve body whole hard alloy according to claim 1 self-centering, is characterized in that: the Cooling Holes spiral of two identical pitch is through cutter hub.
- 3. cold depth twist drill in abs valve body whole hard alloy according to claim 1 self-centering, is characterized in that: the angle of described center drift angle is 90 ° ~ 100 °.
- 4. cold depth twist drill in abs valve body whole hard alloy according to claim 1 self-centering, is characterized in that: the angle of described cutting drift angle is 120 ° ~ 130 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060738.1A CN104690342A (en) | 2015-02-05 | 2015-02-05 | Solid carbide self-centering inner-cooling deep-hole twist drill for ABS valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060738.1A CN104690342A (en) | 2015-02-05 | 2015-02-05 | Solid carbide self-centering inner-cooling deep-hole twist drill for ABS valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104690342A true CN104690342A (en) | 2015-06-10 |
Family
ID=53338103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510060738.1A Pending CN104690342A (en) | 2015-02-05 | 2015-02-05 | Solid carbide self-centering inner-cooling deep-hole twist drill for ABS valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104690342A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033329A (en) * | 2015-08-27 | 2015-11-11 | 苏州阿诺精密切削技术股份有限公司 | Twist drill for machining material with chips difficult to break |
| CN112222486A (en) * | 2020-09-21 | 2021-01-15 | 西安法士特汽车传动有限公司 | Inner-cooling drill bit |
| CN112775468A (en) * | 2021-02-02 | 2021-05-11 | 苏州阿诺精密切削技术有限公司 | Novel hard alloy inner-cooling deep hole twist drill |
| CN112974921A (en) * | 2019-12-12 | 2021-06-18 | 株式会社泰珂洛 | Drilling tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451930A (en) * | 2010-10-19 | 2012-05-16 | 钴碳化钨硬质合金公司 | Rotary cutting tool having pcd cutting tip |
| CN202845873U (en) * | 2012-09-27 | 2013-04-03 | 常州耐之力刀具制造有限公司 | Integral hard alloy internal cooling drill bit |
| CN103286354A (en) * | 2013-06-09 | 2013-09-11 | 常州吉瑞刀具技术有限公司 | High-speed deep-hole twist drill |
| CN203409319U (en) * | 2013-05-21 | 2014-01-29 | 江苏晶工工具有限公司 | Drill tip of drill bit |
| CN103906592A (en) * | 2011-11-04 | 2014-07-02 | Osg株式会社 | Drill |
| CN204413237U (en) * | 2015-02-05 | 2015-06-24 | 苏州阿诺精密切削技术股份有限公司 | Cold depth twist drill in the self-centering of abs valve body whole hard alloy |
-
2015
- 2015-02-05 CN CN201510060738.1A patent/CN104690342A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102451930A (en) * | 2010-10-19 | 2012-05-16 | 钴碳化钨硬质合金公司 | Rotary cutting tool having pcd cutting tip |
| CN103906592A (en) * | 2011-11-04 | 2014-07-02 | Osg株式会社 | Drill |
| CN202845873U (en) * | 2012-09-27 | 2013-04-03 | 常州耐之力刀具制造有限公司 | Integral hard alloy internal cooling drill bit |
| CN203409319U (en) * | 2013-05-21 | 2014-01-29 | 江苏晶工工具有限公司 | Drill tip of drill bit |
| CN103286354A (en) * | 2013-06-09 | 2013-09-11 | 常州吉瑞刀具技术有限公司 | High-speed deep-hole twist drill |
| CN204413237U (en) * | 2015-02-05 | 2015-06-24 | 苏州阿诺精密切削技术股份有限公司 | Cold depth twist drill in the self-centering of abs valve body whole hard alloy |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105033329A (en) * | 2015-08-27 | 2015-11-11 | 苏州阿诺精密切削技术股份有限公司 | Twist drill for machining material with chips difficult to break |
| CN112974921A (en) * | 2019-12-12 | 2021-06-18 | 株式会社泰珂洛 | Drilling tool |
| CN112974921B (en) * | 2019-12-12 | 2024-04-26 | 株式会社泰珂洛 | Drilling tool |
| CN112222486A (en) * | 2020-09-21 | 2021-01-15 | 西安法士特汽车传动有限公司 | Inner-cooling drill bit |
| CN112775468A (en) * | 2021-02-02 | 2021-05-11 | 苏州阿诺精密切削技术有限公司 | Novel hard alloy inner-cooling deep hole twist drill |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106925818B (en) | Three sword side set bta deep hole drilling of minor diameter and preparation method thereof | |
| CN104690342A (en) | Solid carbide self-centering inner-cooling deep-hole twist drill for ABS valve body | |
| CN111093867A (en) | Turning tool for metal cutting | |
| CN104043863A (en) | Special cutter for dual-relief-angle internal-cooling-type shockproof siding milling | |
| US20220362863A1 (en) | Spiral step twist drill bit | |
| CN206010028U (en) | The special reamer of skiving in pipe port | |
| CN204413237U (en) | Cold depth twist drill in the self-centering of abs valve body whole hard alloy | |
| CN215786950U (en) | Compound tool for non-metal composite material | |
| CN211387046U (en) | Step three-edge forming reamer | |
| CN208929283U (en) | Interior cold-smoothing bottom Powerful drill | |
| CN109262025B (en) | Drilling tool | |
| CN208929284U (en) | Interior cold cone bottom Powerful drill | |
| CN214640470U (en) | Cutting tool | |
| CN203459722U (en) | Spiral drill tip | |
| CN216990021U (en) | Integral hard alloy deep hole drill bit | |
| CN215998825U (en) | Special groove type drill bit capable of guaranteeing hole finish degree and roundness | |
| CN205660201U (en) | Carbide reserves core drill bit for one's own use | |
| CN212285991U (en) | Cutter for machining taper hole | |
| CN210172607U (en) | Chip-breaking twist drill | |
| CN214978011U (en) | Spiral T-shaped cutter for metal surface treatment | |
| CN212094499U (en) | Chip breaking drill for front cutter face | |
| CN204770958U (en) | Tapering reamer | |
| CN113020666A (en) | Compound tool for non-metal composite material | |
| CN207710013U (en) | A kind of PCD reamers | |
| CN207873285U (en) | A kind of burnishing-in reamer for high-accuracy deep hole machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Suzhou City, Jiangsu province 215021 Industrial Park Kuatang subarea Baoda Road No. 8 Applicant after: Suzhou Ahno Precision Cutting Technology Co., Ltd. Address before: Suzhou City, Jiangsu province 215021 Industrial Park Kuatang subarea Baoda Road No. 8 Applicant before: Suzhou Ahno Cutting Tool Technology Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |
|
| RJ01 | Rejection of invention patent application after publication |